| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| year of the challenger explosion | 1.97 | 0.9 | 7449 | 74 | 32 |
| year | 1.95 | 0.1 | 2667 | 47 | 4 |
| of | 1.85 | 1 | 1501 | 95 | 2 |
| the | 0.76 | 0.2 | 9492 | 74 | 3 |
| challenger | 1.25 | 0.9 | 9042 | 31 | 10 |
| explosion | 0.62 | 1 | 952 | 70 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| year of the challenger explosion | 1.72 | 0.5 | 9560 | 83 |
| what year was the challenger explosion | 0.64 | 0.2 | 3949 | 84 |
| year of space shuttle challenger explosion | 0.02 | 0.4 | 5385 | 6 |
| challenger explosion what year | 0.15 | 0.2 | 3627 | 44 |
| year of challenger explosion | 0.86 | 0.6 | 2074 | 53 |
